Table II.

Expression levels of HIF-1 and VEGF mRNA in different groups.

	HIF-1				VEGF
Groups	Before intervention	1 month after intervention	t	P-value	Before intervention	1 month after intervention	t	P-value
Liver cancer pain	0.3264±0.0425	0.4152±0.0362	8.532	0.006	0.4201±0.0725	0.4632±0.0936	7.659	0.012
Liver caner	0.1235±0.0127	0.1028±0.0532	0.932	0.241	0.2316±0.0421	0.2423±0.0538	0.564	0.827
Hepatitis	0.0039±0.0010	0.0052±0.0023	0.632	0.527	0.0063±0.0021	0.0058±0.0030	0.125	0.632
F-value	10.632	15.624			13.623	14.521
P-value	<0.001	<0.001			<0.001	<0.001

HIF, hypoxia-inducible factor; VEGF, vascular endothelial growth factor.